From 8d311af7ae4d6637b8a3bf58b6e5186c8cefb2f9 Mon Sep 17 00:00:00 2001
From: Ben Gras <ben@minix3.org>
Date: Fri, 12 Sep 2014 12:34:13 +0200
Subject: [PATCH] small arm image script changes

	. let you specify IMG as a block device directly. this minimizes
	  i/o (only write used parts of the filesystem) and so turnaround
	  time - while still allowing the big default FS size.

Change-Id: Ib738499464e0d350a474a706f688d3f10806207d
---
 releasetools/arm_sdimage.sh | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/releasetools/arm_sdimage.sh b/releasetools/arm_sdimage.sh
index 8ac02ec02..8e2d109ae 100755
--- a/releasetools/arm_sdimage.sh
+++ b/releasetools/arm_sdimage.sh
@@ -137,7 +137,12 @@ fi
 #
 # Artifacts from this script are stored in the IMG_DIR
 #
-rm -rf ${IMG_DIR} ${IMG}
+rm -rf ${IMG_DIR}
+
+if [ -f ${IMG} ]	# IMG might be a block device
+then	rm -f ${IMG}
+fi
+
 mkdir -p ${IMG_DIR}
 
 #
@@ -288,7 +293,7 @@ _HOME_SIZE=$((`${CROSS_TOOLS}/nbmkfs.mfs -I $((${HOME_START} * 512)) -b $((${HOM
 # Write the partition table using the natively compiled
 # minix partition utility
 #
-${CROSS_TOOLS}/nbpartition -m ${IMG} ${FAT_START} "c:${FAT_SIZE}*" \
+${CROSS_TOOLS}/nbpartition -f -m ${IMG} ${FAT_START} "c:${FAT_SIZE}*" \
 	81:${_ROOT_SIZE} 81:${_USR_SIZE} 81:${_HOME_SIZE}
 
 #